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Finding the Fourth Proportional to 457,722.42, 631,722.33 and 253,818.69

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Solution

The fourth proportional to 457,722.42, 631,722.33 and 253,818.69 is: 350,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,722.42 : 631,722.33 = 253,818.69 : x
  2. Step 2: Convert to fraction form
    457,722.42/631,722.33 = 253,818.69/x
  3. Step 3: Cross multiply
    457,722.42x = 631,722.33 × 253,818.69
  4. Step 4: Simplify right side
    457,722.42x = 160,342,934,244.35
  5. Step 5: Solve for x
    x = 160,342,934,244.35/457,722.42
  6. Step 6: Final answer
    x = 350,306.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.